Fix semantics for certain encodings of ARM vcvt
Fix semantics for certain encodings of ARM vcvt

NationalSecurityAgency/ghidra,NationalSecurityAgency/ghidra,NationalSecurityAgency/ghidra,NationalSecurityAgency/ghidra,NationalSecurityAgency/ghidra,NationalSecurityAgency/ghidra,NationalSecurityAgency/ghidra